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You searched for: mediatype:texts AND collection:theides AND subject:"Optimization"
[texts]Analysis of pavement management activities programming by particle swarm optimization - Navid Reza Tayebi, Fereidun Moghadasnejhad, Abolfazl Hassani
The application of particle swarm optimization (PSO) to programming of pavement maintenance activities at  the network level is demonstrated. The application of the PSO technique and its relevance to solve the programming problem in a pavement management system (PMS) are discussed. The robust and quick search capability of PSO enable it to effectively handle the highly constrained problem of pavement management activities programming, which has an extremely large solution space of astronomical ...
Keywords: Particle Swarm Optimization; Pavement Management System; Optimization
Downloads: 68
[texts]Thinned Concentric Circular Array Antennas Synthesis using Improved Particle Swarm Optimization - Durbadal Mandal, Debanjali Sadhu and Sakti Prasad Ghoshal
Circular antenna array has gained immense popularity in the field of communications nowadays. It has proved to be a better alternative over other types of antenna array configuration due to its all-azimuth scan capability, and a beam pattern which can be kept invariant. This paper is basically concerned with the thinning of a large multiple concentric circular ring arrays of uniformly excited isotropic antennas based on Improved Particle Swarm Optimization (IPSO) method...
Keywords: Concentric Circular Antenna Arrays; Particle Swarm Optimization; Thinning; Sidelobe Level
Downloads: 83
[texts]Profit based unit commitment for GENCOs using Parallel PSO in a distributed cluster
In the deregulated electricity market, each generating company has to maximize its own profit by committing suitable generation schedule termed as profit based unit commitment (PBUC). This article proposes a Parallel Particle Swarm Optimization (PPSO) solution to the PBUC problem. This method has better convergence characteristics in obtaining optimum solution. The  proposed approach uses a cluster of computers performing parallel operations in a distributed environment for obtaining the PBUC s...
Keywords: deregulated market; profit based unit commitment; particle swarm optimization; distributed environment; parallel processing; parallel particle swarm optimization
Downloads: 129
[texts]Development of Robust Adaptive Inverse models using Bacterial Foraging Optimization
Adaptive inverse models find applications in communication and magnetic channel equalization, recovery of digital data and adaptive linearization of sensor characteristics. In presence of outliers in the training signal, the model accuracy is severely reduced. In this paper three robust inverse models are developed by recursively minimizing robust norms using BFO based learning rule. The performance of these models is assesses through simulation study and is compared with those obtained by stand...
Keywords: Adaptive inverse models; Robust norms; Robust adaptive inverse model; Bacterial foraging optimization
Downloads: 29
[texts]FIR Filter Design using Particle Swarm Optimization with Constriction Factor and Inertia Weight Approach
This paper presents an alternative approach for the design of linear phase digital low pass FIR filter using Particle Swarm Optimization with Constriction Factor and Inertia Weight Approach (PSO-CFIWA). FIR filter design is a multimodal optimization problem. The conventional gradient based optimization techniques are not efficient for digital filter design. Given the filter specification to be realized, PSO algorithm generates a set of filter coefficients and tries to meet the ideal frequency ch...
Keywords: FIR Filter; PSO; GA; Optimization; Magnitude Response; Convergence; Low Pass Filter
Downloads: 149
[texts]Small Signal Stability Improvement and Congestion Management Using PSO Based TCSC Controller
In this paper an attempt has been made to study the application of Thyristor Controlled Series Capacitor (TCSC) to mitigate small signal stability problem in addition to congestion management of a heavily loaded line in a multimachine power system. The Flexible AC Transmission System (FACTS) devices such as TCSC can be used to control the power flows in the network and can help in improvementof small signal stability aspect...
Keywords: Congestion management; Particle Swarm Optimization; Small Signal Stability; Thyristor Controlled Series Compensator; Transmission Line Flow Sensitivity
Downloads: 143
[texts]Harmonic Minimization In Multilevel Inverters By Using PSO
Harmonic Elimination in a multilevel inverters is an optimization problem which is solved by applying particle swarm optimization (PSO) technique. The derived equation for the computation of total harmonic distortion (THD) of the output voltage of the multilevel inverter is used as the objective function in PSO algorithm. The objective function used is to reduce the THD of the multilevel inverter and obtain the corresponding switching angles with the elimination of possible lower order harmonics...
Keywords: selective harmonic elimination(SHE); particle swarm optimization(PSO); Total harmonic distortion(THD)
Downloads: 157
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